, division of the mongol empire , and the pagan empire that took place between 127 ##7 and 128 ##7 . the invasions toppled the 250 @ - @ year @ - @ old pagan empire , and the mongol army seized pagan territories in present @ - @ day de ##hong , yunnan and northern burma to tag ##au ##ng . the invasions ushered in 250 years of political fragmentation in burma and the rise of tai @ - @ shan states throughout mainland southeast asia . the mongols first demanded tribute from pagan in 127 ##1 – 72 , as part of their drive to en ##ci ##rcle the song dynasty of china . when king nara ##thi ##ha ##pate refused , emperor ku ##bla ##i
, division of the mongol empire, and the pagan empire that took place between 1277 and 1287. the invasions toppled the 250 @ - @ year @ - @ old pagan empire, and the mongol army seized pagan territories in present @ - @ day dehong, yunnan and northern burma to tagaung. the invasions ushered in 250 years of political fragmentation in burma and the rise of tai @ - @ shan states throughout mainland southeast asia. the mongols first demanded tribute from pagan in 1271 – 72, as part of their drive to encircle the song dynasty of china. when king narathihapate refused, emperor kublai